Question

2 Resolva as equações.
a) 3x + 2 = 2x
b) 9 – 8 = y

Answer 1

Resposta:

a)

$3x + 2 = 2x$

$3x - 2x = - 2$

$x = - 2$

b)

$9 - 8 = y$

$1 = y$

Answer 2

A) 3x + 2 = 2x
3x - 2x = -2
x = -2